Commandino, Federico, Liber de centro gravitatis solidorum, 1565

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            <p type="main">
              <s id="s.000871">
                <pb pagenum="41" xlink:href="023/01/089.jpg"/>
              noidis ad portiones reliquas, ita alia linea, quæ ſit lk ad
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              ke: erit lk maior, quam bk: & ideo punctum l extra por­
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                <figure id="id.023.01.089.1.jpg" xlink:href="023/01/089/1.jpg" number="77"/>
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              tionem cadet. </s>
              <s id="s.000872">
                <expan abbr="Quoniã">Quoniam</expan>
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              igitur à figura circum­
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              ſcripta, cuius grauitatis
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              centrum eſt k, aufertur
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              portio conoidis, cuius
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              centrum e. </s>
              <s id="s.000873">
                <expan abbr="habetq;">habetque</expan>
              lK
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              ad Ke eam proportio­
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              nem, quam portio co­
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              noidis ad reliquas por­
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              tiones; erit punctum l
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              extra portionem
                <expan abbr="cadẽs">cadens</expan>
              ,
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              centrum magnitudinis
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              ex reliquis portionibus compoſitæ. </s>
              <s id="s.000874">illud autem fieri nullo
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              modo poteſt. </s>
              <s id="s.000875">quare conſtat lineam ke ipſa g linea propoſi
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              ta minorem eſſe.</s>
            </p>
            <p type="margin">
              <s id="s.000876">
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              8. quínti.</s>
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            <p type="margin">
              <s id="s.000877">
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              29. quínti
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              ex tradi­
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              tione
                <expan abbr="Cã-pani">Cam­
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                </expan>
              .</s>
            </p>
            <p type="main">
              <s id="s.000878">Rurſus inſcribatur portioni figura, uidelicet cylindrus
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                <figure id="id.023.01.089.2.jpg" xlink:href="023/01/089/2.jpg" number="78"/>
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              mn, ut ſit ipſius altitudo
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              æqualis dimidio axis bd:
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              & quam proportionem
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              habet be ad g, habeat mn
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              cylindrus ad ſolidum o. </s>
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              <s id="s.000879">inſcribatur deinde eidem
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              alia figura, ita ut portio­
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              nes reliquæ ſint ſolido o
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              minores: & centrum gra
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              uitatis figuræ ſit p. </s>
              <s id="s.000880">Dico
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              lineam pe ipſa g
                <expan abbr="minorẽ">minorem</expan>
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              eſſe. </s>
              <s id="s.000881">ſi enim non ſit mi­
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              nor, eodem, quo ſupra modo demonſtrabimus figuram in
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              ſcriptam ad reliquas portiones maiorem proportionem
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              habere, quàm be ad ep. </s>
              <s id="s.000882">& ſi fiat alia linea le ad ep, ut eſt
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              figura inſcripta ad reliquas portiones,
                <expan abbr="pũctum">punctum</expan>
              l extra </s>
            </p>
          </chap>
        </body>
      </text>
    </archimedes>
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